Mission Statement

PQIA’s mission is to serve the consumer of lubricants by testing and reporting on the quality and integrity of lubricants in the marketplace. 

It is expected that this improved visibility of quality will lead to wider conformance by lubricant manufacturers to specification and performance claims.

Featured Story

Buying Motor Oil Online

While this is a very efficient and easy way to shop, the Petroleum Quality Institute of America advises consumers to take the time to look for the specifications the product meets when buying motor oil online. If not shown on the first screen, click or scroll for more details before adding motor oil to your cart.

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Recent News

PQIA Test Results in on two motor oils formulated for classic and muscle cars, and one with POE-PAO baseoil

The following are test results on two samples of motor oil formulated for use in classic cars, muscle cars and other older model vehicles with engines that have flat tappet cams, lifters & pushrods. These products contain higher levels of the antiwear additive ZDDP than that in motor oils formulated for use in most cars currently on the road. For more about such motor oils, see PQIA article, Motor Oils for Classic and Vintage Cars.

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CONSUMER ALERT – Mileage 365 Motor Oil

The PQIA recently stopped at a convenience store in Warren, Ohio, and to our disappointment we once again found Mileage 365 on the shelves. Mileage 365 is a product that PQIA has seen on store shelves in Ohio in the past and found it to have deficiencies serious enough that the oil will likely cause harm to an engine. And the samples we obtained during our most recent visit to Warren, OH are likewise deficient.

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State Dept. of Agriculture and Rural Development Issues Consumer Advisory for all REV 360 Motor Oil and Transmission Fluid

the Michigan Department of Agriculture and Rural Development (MDARD) issued a Stop-Use and Stop-Removal Order for motor oil and transmission fluid manufactured, packaged, and/or distributed by Orion Lubricants of Worth, IL under the brand REV 360 after finding the products did not comply with the Michigan Weights and Measures Act, 1964 Public Act 283. The

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PASSENGER CAR MOTOR OIL

PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY/PASSENGER CAR MOTOR OIL Passenger car motor oil is the lifeblood of your engine. In addition to lubricating moving

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AUTOMATIC TRANSMISSION FLUID

PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY/AUTOMATIC TRANSMISSION FLUID Automatic Transmission Fluids are carefully balanced to lubricate and protect your transmission while providing smooth and

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ANTIFREEZE & COOLANT

PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY FOR ANTIFREEZE & COOLANT Antifreeze/coolant is critical for protecting engines. The primary function of the fluid is keep

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